/*
 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * Contributors:
 *     bstefanescu
 */
package org.nuxeo.gwt.habyt.app.client.form.bindings;

import org.nuxeo.gwt.habyt.app.client.Action;
import org.nuxeo.gwt.habyt.app.client.Application;
import org.nuxeo.gwt.habyt.app.client.form.Form;
import org.nuxeo.gwt.habyt.templates.client.WidgetFactory;
import org.nuxeo.gwt.habyt.templates.client.bindings.Helper;

import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Widget;

/**
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 * 
 */
public class SubmitFactory extends WidgetFactory {

    public SubmitFactory() {
        super("submit");
    }

    @Override
    protected Widget createWidget(Element element) {
        String label = element.getInnerHTML();
        if (label == null || label.trim().length() == 0) {
            label = "Submit";
        }
        String v = Helper.getAttribute(element, "action");
        Action<?> action = null;
        if (v != null) {
            action = Application.get().getAction(v);
            action.setTarget(Helper.getAttribute(element, "target"));
            action.setOutcome(Helper.getAttribute(element, "outcome"));
            action.setConfirm(Helper.getAttribute(element, "confirm"));
            action.setMessage(Helper.getAttribute(element, "message"));
        }
        return new SubmitButton(label, action);
    }

    public static class SubmitButton extends
            com.google.gwt.user.client.ui.SubmitButton implements ClickHandler {

        protected Form form;

        protected Action<?> action;

        public SubmitButton(String html) {
            super(html);
            addClickHandler(this);
        }

        public SubmitButton(String html, Action<?> action) {
            super(html);
            addClickHandler(this);
            this.action = action;
        }

        @Override
        protected void onLoad() {
            super.onLoad();
            form = Application.getForm(getElement());
        }

        public void onClick(ClickEvent event) {
            if (action == null) {
                form.submit();
            } else {
                action.execute(this);
            }
        }
    }

}
